1. Forgetting to conduct more research. 2. Choosing a complicated name 3. Not considering the future. 4. Using hyphens or numbers 5. Choosing your domain name that is too long 6. Not using a top-level domain (TLD) 7. Using trademarked names 8. Not considering SEO 9. Paying too much for a generic name 10. Not trying to pursue your ideal name. 11. Not checking social media availability.